Premium Material:The coffee filters are made of 100% North American coniferous protoplasm, natural material and unbleached to keep your healthy, total filters of 100 packs. Advanced Design:It's made of imported paper,the texture is fine and smooth, smoothness is good, no roughness. There are some oblique lines with a wave line from one corner of the paper to the other to enhance sturdy of paper. Functions:The cone coffee filter can fully extract the coffee at the bottom, good for 4-6 cups, it can reduce the damage to the flavor of coffee and keep the tast of coffee, also fast for filtering. Wide Arrangement: The coffee filter is great for drip coffee filters machine, electric coffeemaker, filter bowl, V60, ect. Please contact us if you're not sure what kind of coffeemakers suit for. Attention Please: The coffee filters are size in roughly the side diagonal is 3.74 inch, the bottom wideth 1.97 inch, the maximum top wideth 6.3 inch and center height 3.94 inch. Specification: Product Name: Coffee filter paper Type: Type 102 fan-shaped filter paper Specification: 100 pieces/pack Scope of application: American coffee maker, filter coffee maker, filter cup ect. colour:Brown Material:Paper Package Contents: 100 x coffee filter paper